A West Germanic language that developed from Middle High German dialects, with an admixture of vocabulary from multiple source languages including Hebrew-Aramaic, Romance, Slavic, English, etc., and written in Hebrew characters which is used mainly among Ashkenazic Jews from central and eastern Europe
Yiddish is a language which comes mainly from German and is spoken by many Jewish people of European origin. a language based on German used by older Jewish people, especially those who are from Eastern Europe Hebrew